Heckscher, Charles, Michael Maccoby, Rafael Ramirez, and Pierre-Eric Tixier. "A “Full Engagement” Approach to Intervention." Agents of Change: Crossing the Post-Industrial Divide. : Oxford University Press, 2003-03-20. Oxford Scholarship Online. 2010-01-01. Date Accessed 19 Jun. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199261758.001.0001/acprof-9780199261758-chapter-7>.
Heckscher, C., Maccoby, M., Ramirez, R., & Tixier, P.(2003-03-20). A “Full Engagement” Approach to Intervention. In Agents of Change: Crossing the Post-Industrial Divide. : Oxford University Press. Retrieved 19 Jun. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199261758.001.0001/acprof-9780199261758-chapter-7.
Heckscher, Charles, Michael Maccoby, Rafael Ramirez, and Pierre-Eric Tixier. "A “Full Engagement” Approach to Intervention." In Agents of Change: Crossing the Post-Industrial Divide. : Oxford University Press, 2003-03-20. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199261758.001.0001/acprof-9780199261758-chapter-7.
Heckscher C, Maccoby M, Ramirez R, Tixier P. A “Full Engagement” Approach to Intervention. In: Heckscher C, Maccoby M, Ramirez R, Tixier P. Agents of Change: Crossing the Post-Industrial Divide. Oxford University Press; 2003. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199261758.001.0001/acprof-9780199261758-chapter-7. Accessed June 19, 2013.